Analyze the sheet metal fabrication process.
Release time:
2025-11-26
Metal sheet processing is referred to as sheet metal fabrication. Specifically, it involves using metal sheets to manufacture items such as chimneys, iron barrels, fuel tanks and oil cans, ventilation ducts, elbows and reducers, dome-shaped structures, funnel-shaped components, and more. The main processes include cutting, bending and edging, bending and shaping, welding, and riveting—each of which requires a certain level of geometric knowledge.
Metal sheet processing is referred to as sheet metal fabrication. Specifically, it involves using metal sheets to manufacture items such as chimneys, iron drums, fuel tanks and oil cans, ventilation ducts, elbows and reducers, dome-shaped structures, funnel-shaped components, and more. The main processes include shearing, bending and edge folding, bending and shaping, welding, and riveting—each of which requires a certain level of geometric knowledge.
Sheet metal parts are thin-metal components that can be fabricated through processes such as stamping, bending, and stretching. A general definition is that these parts maintain a constant thickness throughout the manufacturing process. Common materials used in sheet metal fabrication include cold-rolled steel (SPCC), hot-rolled steel (SHCC), galvanized steel (SECC, SGCC), copper (CU), brass, red copper, beryllium copper, aluminum sheets (such as 6061, 5052, 1010, 1060, 6063, and duralumin), and stainless steel (with finishes like mirror-polished, brushed, or matte).
Depending on the different functions of the products, different materials should be selected. Generally, considerations should be based on both the product’s intended use and its cost. The processing procedure for sheet-metal workshop components includes: preliminary product testing, pilot production, and mass production. During the pilot production phase, it is important to promptly communicate and coordinate with the customer, obtain feedback on the processing results, and then proceed with mass production only after receiving the necessary approval.
Laser perforation technology is one of the earliest laser technologies to achieve practical application in laser material processing. In sheet-metal workshops, pulsed lasers are typically used for laser perforation; these lasers have high energy density and short pulse durations, enabling the fabrication of tiny holes as small as 1 μm. This technique is particularly well-suited for machining small holes with specific angles and made from thin materials. It is also ideal for producing deep and micro-sized holes in parts made from materials with high strength, hardness, or those that are brittle or relatively soft.
Lasers can be used to perforate combustion chamber components of gas turbines, with the perforation capability extending in three dimensions and allowing for the creation of up to thousands of holes. Materials suitable for laser perforation include stainless steel, nickel-chromium-iron alloys, and Hastelloy-based alloys. Laser perforation technology is unaffected by the mechanical properties of the materials, and automation is relatively straightforward.
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